709 A Prospective Multicenter Study to Identify Predictive Markers for Initial Treatment Response After Circumferential Radiofrequency Ablation for Barrett's Esophagus With Early Neoplasia

Endoscopic radiofrequency ablation (RFA) is safe and effective for eradication of neoplastic Barrett's esophagus (BE). In a minority of cases, however, patients demonstrate minimal regression of the BE epithelium at 3 months after initial circumferential balloon-based RFA (c-RFA). Predicting which patients may have poor response at 3 months may be important for clinical decision-making, therefore, baseline predictive factors for poor response at 3 months should be identified.